[clang] [C23] Add __TYPE_FMTB__ and __TYPE_FMTb__ predefined macros (PR #82037)

Aaron Ballman via cfe-commits cfe-commits at lists.llvm.org
Fri Feb 16 12:15:38 PST 2024


https://github.com/AaronBallman created https://github.com/llvm/llvm-project/pull/82037

This adds predefined formatting macros in C23 mode for printing unsigned integers in binary format (e.g, __UINT_FAST64_FMTB__). These are used to implement the PRIb (et al) macros in inttypes.h

Fixes https://github.com/llvm/llvm-project/issues/81896

>From 8a7d391475acb352932ee3de0b0e467c4574fe20 Mon Sep 17 00:00:00 2001
From: Aaron Ballman <aaron at aaronballman.com>
Date: Fri, 16 Feb 2024 15:10:51 -0500
Subject: [PATCH] [C23] Add __TYPE_FMTB__ and __TYPE_FMTb__ predefined macros

This adds predefined formatting macros in C23 mode for printing
unsigned integers in binary format (e.g, __UINT_FAST64_FMTB__). These
are used to implement the PRIb (et al) macros in inttypes.h

Fixes https://github.com/llvm/llvm-project/issues/81896
---
 clang/docs/ReleaseNotes.rst             |   5 ++
 clang/lib/Frontend/InitPreprocessor.cpp | 106 +++++++++++++-----------
 clang/test/Preprocessor/init.c          |  88 +++++++++++++++-----
 3 files changed, 132 insertions(+), 67 deletions(-)

diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index 16f79a349c20c8..c97aebf901d952 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -135,6 +135,11 @@ C23 Feature Support
 
   Fixes (`#81472 <https://github.com/llvm/llvm-project/issues/81472>`_).
 
+- Clang now generates predefined macros of the form ``__TYPE_FMTB__`` and
+  ``__TYPE_FMTb__`` (e.g., ``__UINT_FAST64_FMTB__``) for use with macros
+  typically exposed from ``<inttypes.h>`` such as ``PRIb8``.
+  (`#81896: <https://github.com/llvm/llvm-project/issues/81896>`_).
+
 Non-comprehensive list of changes in this release
 -------------------------------------------------
 
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp
index 1b250cda42a4dd..9b979d810fa127 100644
--- a/clang/lib/Frontend/InitPreprocessor.cpp
+++ b/clang/lib/Frontend/InitPreprocessor.cpp
@@ -181,14 +181,21 @@ static void DefineTypeSize(const Twine &MacroName, TargetInfo::IntType Ty,
                  TI.isTypeSigned(Ty), Builder);
 }
 
-static void DefineFmt(const Twine &Prefix, TargetInfo::IntType Ty,
-                      const TargetInfo &TI, MacroBuilder &Builder) {
-  bool IsSigned = TI.isTypeSigned(Ty);
+static void DefineFmt(const LangOptions &LangOpts, const Twine &Prefix,
+                      TargetInfo::IntType Ty, const TargetInfo &TI,
+                      MacroBuilder &Builder) {
   StringRef FmtModifier = TI.getTypeFormatModifier(Ty);
-  for (const char *Fmt = IsSigned ? "di" : "ouxX"; *Fmt; ++Fmt) {
-    Builder.defineMacro(Prefix + "_FMT" + Twine(*Fmt) + "__",
-                        Twine("\"") + FmtModifier + Twine(*Fmt) + "\"");
-  }
+  auto Emitter = [&](char Fmt) {
+    Builder.defineMacro(Prefix + "_FMT" + Twine(Fmt) + "__",
+                        Twine("\"") + FmtModifier + Twine(Fmt) + "\"");
+  };
+  bool IsSigned = TI.isTypeSigned(Ty);
+  llvm::for_each(StringRef(IsSigned ? "di" : "ouxX"), Emitter);
+
+  // C23 added the b and B modifiers for printing binary output of unsigned
+  // integers. Conditionally define those if compiling in C23 mode.
+  if (LangOpts.C23 && !IsSigned)
+    llvm::for_each(StringRef("bB"), Emitter);
 }
 
 static void DefineType(const Twine &MacroName, TargetInfo::IntType Ty,
@@ -217,7 +224,8 @@ static void DefineTypeSizeAndWidth(const Twine &Prefix, TargetInfo::IntType Ty,
   DefineTypeWidth(Prefix + "_WIDTH__", Ty, TI, Builder);
 }
 
-static void DefineExactWidthIntType(TargetInfo::IntType Ty,
+static void DefineExactWidthIntType(const LangOptions &LangOpts,
+                                    TargetInfo::IntType Ty,
                                     const TargetInfo &TI,
                                     MacroBuilder &Builder) {
   int TypeWidth = TI.getTypeWidth(Ty);
@@ -236,7 +244,7 @@ static void DefineExactWidthIntType(TargetInfo::IntType Ty,
   const char *Prefix = IsSigned ? "__INT" : "__UINT";
 
   DefineType(Prefix + Twine(TypeWidth) + "_TYPE__", Ty, Builder);
-  DefineFmt(Prefix + Twine(TypeWidth), Ty, TI, Builder);
+  DefineFmt(LangOpts, Prefix + Twine(TypeWidth), Ty, TI, Builder);
 
   StringRef ConstSuffix(TI.getTypeConstantSuffix(Ty));
   Builder.defineMacro(Prefix + Twine(TypeWidth) + "_C_SUFFIX__", ConstSuffix);
@@ -259,7 +267,8 @@ static void DefineExactWidthIntTypeSize(TargetInfo::IntType Ty,
   DefineTypeSize(Prefix + Twine(TypeWidth) + "_MAX__", Ty, TI, Builder);
 }
 
-static void DefineLeastWidthIntType(unsigned TypeWidth, bool IsSigned,
+static void DefineLeastWidthIntType(const LangOptions &LangOpts,
+                                    unsigned TypeWidth, bool IsSigned,
                                     const TargetInfo &TI,
                                     MacroBuilder &Builder) {
   TargetInfo::IntType Ty = TI.getLeastIntTypeByWidth(TypeWidth, IsSigned);
@@ -274,11 +283,12 @@ static void DefineLeastWidthIntType(unsigned TypeWidth, bool IsSigned,
     DefineTypeSizeAndWidth(Prefix + Twine(TypeWidth), Ty, TI, Builder);
   else
     DefineTypeSize(Prefix + Twine(TypeWidth) + "_MAX__", Ty, TI, Builder);
-  DefineFmt(Prefix + Twine(TypeWidth), Ty, TI, Builder);
+  DefineFmt(LangOpts, Prefix + Twine(TypeWidth), Ty, TI, Builder);
 }
 
-static void DefineFastIntType(unsigned TypeWidth, bool IsSigned,
-                              const TargetInfo &TI, MacroBuilder &Builder) {
+static void DefineFastIntType(const LangOptions &LangOpts, unsigned TypeWidth,
+                              bool IsSigned, const TargetInfo &TI,
+                              MacroBuilder &Builder) {
   // stdint.h currently defines the fast int types as equivalent to the least
   // types.
   TargetInfo::IntType Ty = TI.getLeastIntTypeByWidth(TypeWidth, IsSigned);
@@ -293,7 +303,7 @@ static void DefineFastIntType(unsigned TypeWidth, bool IsSigned,
     DefineTypeSizeAndWidth(Prefix + Twine(TypeWidth), Ty, TI, Builder);
   else
     DefineTypeSize(Prefix + Twine(TypeWidth) + "_MAX__", Ty, TI, Builder);
-  DefineFmt(Prefix + Twine(TypeWidth), Ty, TI, Builder);
+  DefineFmt(LangOpts, Prefix + Twine(TypeWidth), Ty, TI, Builder);
 }
 
 
@@ -1120,19 +1130,20 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
     DefineTypeSizeof("__SIZEOF_INT128__", 128, TI, Builder);
 
   DefineType("__INTMAX_TYPE__", TI.getIntMaxType(), Builder);
-  DefineFmt("__INTMAX", TI.getIntMaxType(), TI, Builder);
+  DefineFmt(LangOpts, "__INTMAX", TI.getIntMaxType(), TI, Builder);
   Builder.defineMacro("__INTMAX_C_SUFFIX__",
                       TI.getTypeConstantSuffix(TI.getIntMaxType()));
   DefineType("__UINTMAX_TYPE__", TI.getUIntMaxType(), Builder);
-  DefineFmt("__UINTMAX", TI.getUIntMaxType(), TI, Builder);
+  DefineFmt(LangOpts, "__UINTMAX", TI.getUIntMaxType(), TI, Builder);
   Builder.defineMacro("__UINTMAX_C_SUFFIX__",
                       TI.getTypeConstantSuffix(TI.getUIntMaxType()));
   DefineType("__PTRDIFF_TYPE__", TI.getPtrDiffType(LangAS::Default), Builder);
-  DefineFmt("__PTRDIFF", TI.getPtrDiffType(LangAS::Default), TI, Builder);
+  DefineFmt(LangOpts, "__PTRDIFF", TI.getPtrDiffType(LangAS::Default), TI,
+            Builder);
   DefineType("__INTPTR_TYPE__", TI.getIntPtrType(), Builder);
-  DefineFmt("__INTPTR", TI.getIntPtrType(), TI, Builder);
+  DefineFmt(LangOpts, "__INTPTR", TI.getIntPtrType(), TI, Builder);
   DefineType("__SIZE_TYPE__", TI.getSizeType(), Builder);
-  DefineFmt("__SIZE", TI.getSizeType(), TI, Builder);
+  DefineFmt(LangOpts, "__SIZE", TI.getSizeType(), TI, Builder);
   DefineType("__WCHAR_TYPE__", TI.getWCharType(), Builder);
   DefineType("__WINT_TYPE__", TI.getWIntType(), Builder);
   DefineTypeSizeAndWidth("__SIG_ATOMIC", TI.getSigAtomicType(), TI, Builder);
@@ -1140,7 +1151,7 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
   DefineType("__CHAR32_TYPE__", TI.getChar32Type(), Builder);
 
   DefineType("__UINTPTR_TYPE__", TI.getUIntPtrType(), Builder);
-  DefineFmt("__UINTPTR", TI.getUIntPtrType(), TI, Builder);
+  DefineFmt(LangOpts, "__UINTPTR", TI.getUIntPtrType(), TI, Builder);
 
   // The C standard requires the width of uintptr_t and intptr_t to be the same,
   // per 7.20.2.4p1. Same for intmax_t and uintmax_t, per 7.20.2.5p1.
@@ -1216,65 +1227,66 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
     Builder.defineMacro("__WINT_UNSIGNED__");
 
   // Define exact-width integer types for stdint.h
-  DefineExactWidthIntType(TargetInfo::SignedChar, TI, Builder);
+  DefineExactWidthIntType(LangOpts, TargetInfo::SignedChar, TI, Builder);
 
   if (TI.getShortWidth() > TI.getCharWidth())
-    DefineExactWidthIntType(TargetInfo::SignedShort, TI, Builder);
+    DefineExactWidthIntType(LangOpts, TargetInfo::SignedShort, TI, Builder);
 
   if (TI.getIntWidth() > TI.getShortWidth())
-    DefineExactWidthIntType(TargetInfo::SignedInt, TI, Builder);
+    DefineExactWidthIntType(LangOpts, TargetInfo::SignedInt, TI, Builder);
 
   if (TI.getLongWidth() > TI.getIntWidth())
-    DefineExactWidthIntType(TargetInfo::SignedLong, TI, Builder);
+    DefineExactWidthIntType(LangOpts, TargetInfo::SignedLong, TI, Builder);
 
   if (TI.getLongLongWidth() > TI.getLongWidth())
-    DefineExactWidthIntType(TargetInfo::SignedLongLong, TI, Builder);
+    DefineExactWidthIntType(LangOpts, TargetInfo::SignedLongLong, TI, Builder);
 
-  DefineExactWidthIntType(TargetInfo::UnsignedChar, TI, Builder);
+  DefineExactWidthIntType(LangOpts, TargetInfo::UnsignedChar, TI, Builder);
   DefineExactWidthIntTypeSize(TargetInfo::UnsignedChar, TI, Builder);
   DefineExactWidthIntTypeSize(TargetInfo::SignedChar, TI, Builder);
 
   if (TI.getShortWidth() > TI.getCharWidth()) {
-    DefineExactWidthIntType(TargetInfo::UnsignedShort, TI, Builder);
+    DefineExactWidthIntType(LangOpts, TargetInfo::UnsignedShort, TI, Builder);
     DefineExactWidthIntTypeSize(TargetInfo::UnsignedShort, TI, Builder);
     DefineExactWidthIntTypeSize(TargetInfo::SignedShort, TI, Builder);
   }
 
   if (TI.getIntWidth() > TI.getShortWidth()) {
-    DefineExactWidthIntType(TargetInfo::UnsignedInt, TI, Builder);
+    DefineExactWidthIntType(LangOpts, TargetInfo::UnsignedInt, TI, Builder);
     DefineExactWidthIntTypeSize(TargetInfo::UnsignedInt, TI, Builder);
     DefineExactWidthIntTypeSize(TargetInfo::SignedInt, TI, Builder);
   }
 
   if (TI.getLongWidth() > TI.getIntWidth()) {
-    DefineExactWidthIntType(TargetInfo::UnsignedLong, TI, Builder);
+    DefineExactWidthIntType(LangOpts, TargetInfo::UnsignedLong, TI, Builder);
     DefineExactWidthIntTypeSize(TargetInfo::UnsignedLong, TI, Builder);
     DefineExactWidthIntTypeSize(TargetInfo::SignedLong, TI, Builder);
   }
 
   if (TI.getLongLongWidth() > TI.getLongWidth()) {
-    DefineExactWidthIntType(TargetInfo::UnsignedLongLong, TI, Builder);
+    DefineExactWidthIntType(LangOpts, TargetInfo::UnsignedLongLong, TI,
+                            Builder);
     DefineExactWidthIntTypeSize(TargetInfo::UnsignedLongLong, TI, Builder);
     DefineExactWidthIntTypeSize(TargetInfo::SignedLongLong, TI, Builder);
   }
 
-  DefineLeastWidthIntType(8, true, TI, Builder);
-  DefineLeastWidthIntType(8, false, TI, Builder);
-  DefineLeastWidthIntType(16, true, TI, Builder);
-  DefineLeastWidthIntType(16, false, TI, Builder);
-  DefineLeastWidthIntType(32, true, TI, Builder);
-  DefineLeastWidthIntType(32, false, TI, Builder);
-  DefineLeastWidthIntType(64, true, TI, Builder);
-  DefineLeastWidthIntType(64, false, TI, Builder);
-
-  DefineFastIntType(8, true, TI, Builder);
-  DefineFastIntType(8, false, TI, Builder);
-  DefineFastIntType(16, true, TI, Builder);
-  DefineFastIntType(16, false, TI, Builder);
-  DefineFastIntType(32, true, TI, Builder);
-  DefineFastIntType(32, false, TI, Builder);
-  DefineFastIntType(64, true, TI, Builder);
-  DefineFastIntType(64, false, TI, Builder);
+  DefineLeastWidthIntType(LangOpts, 8, true, TI, Builder);
+  DefineLeastWidthIntType(LangOpts, 8, false, TI, Builder);
+  DefineLeastWidthIntType(LangOpts, 16, true, TI, Builder);
+  DefineLeastWidthIntType(LangOpts, 16, false, TI, Builder);
+  DefineLeastWidthIntType(LangOpts, 32, true, TI, Builder);
+  DefineLeastWidthIntType(LangOpts, 32, false, TI, Builder);
+  DefineLeastWidthIntType(LangOpts, 64, true, TI, Builder);
+  DefineLeastWidthIntType(LangOpts, 64, false, TI, Builder);
+
+  DefineFastIntType(LangOpts, 8, true, TI, Builder);
+  DefineFastIntType(LangOpts, 8, false, TI, Builder);
+  DefineFastIntType(LangOpts, 16, true, TI, Builder);
+  DefineFastIntType(LangOpts, 16, false, TI, Builder);
+  DefineFastIntType(LangOpts, 32, true, TI, Builder);
+  DefineFastIntType(LangOpts, 32, false, TI, Builder);
+  DefineFastIntType(LangOpts, 64, true, TI, Builder);
+  DefineFastIntType(LangOpts, 64, false, TI, Builder);
 
   Builder.defineMacro("__USER_LABEL_PREFIX__", TI.getUserLabelPrefix());
 
diff --git a/clang/test/Preprocessor/init.c b/clang/test/Preprocessor/init.c
index c3dbd94b2f741b..804dd7a703f7af 100644
--- a/clang/test/Preprocessor/init.c
+++ b/clang/test/Preprocessor/init.c
@@ -93,6 +93,54 @@
 // C99-NOT: __GXX_WEAK__
 // C99-NOT: __cplusplus
 //
+// RUN: %clang_cc1 -std=c17 -E -dM < /dev/null | FileCheck -match-full-lines -check-prefix C17-FMT %s
+// RUN: %clang_cc1 -std=c23 -E -dM < /dev/null | FileCheck -match-full-lines -check-prefix C23-FMT %s
+//
+// C17-FMT-NOT: __SIZE_FMTB__
+// C17-FMT-NOT: __SIZE_FMTb__
+// C17-FMT-NOT: __UINT8_FMTB__
+// C17-FMT-NOT: __UINT8_FMTb__
+// C17-FMT-NOT: __UINT16_FMTB__
+// C17-FMT-NOT: __UINT16_FMTb__
+// C17-FMT-NOT: __UINT32_FMTB__
+// C17-FMT-NOT: __UINT32_FMTb__
+// C17-FMT-NOT: __UINT64_FMTB__
+// C17-FMT-NOT: __UINT64_FMTb__
+// C17-FMT-NOT: __UINTMAX_FMTB__
+// C17-FMT-NOT: __UINTMAX_FMTb__
+// C17-FMT-NOT: __UINTPTR_FMTB__
+// C17-FMT-NOT: __UINTPTR_FMTb__
+// C23-FMT: #define __SIZE_FMTB__ "llB"
+// C23-FMT: #define __SIZE_FMTb__ "llb"
+// C23-FMT: #define __UINT16_FMTB__ "hB"
+// C23-FMT: #define __UINT16_FMTb__ "hb"
+// C23-FMT: #define __UINT32_FMTB__ "B"
+// C23-FMT: #define __UINT32_FMTb__ "b"
+// C23-FMT: #define __UINT64_FMTB__ "llB"
+// C23-FMT: #define __UINT64_FMTb__ "llb"
+// C23-FMT: #define __UINT8_FMTB__ "hhB"
+// C23-FMT: #define __UINT8_FMTb__ "hhb"
+// C23-FMT: #define __UINTMAX_FMTB__ "llB"
+// C23-FMT: #define __UINTMAX_FMTb__ "llb"
+// C23-FMT: #define __UINTPTR_FMTB__ "llB"
+// C23-FMT: #define __UINTPTR_FMTb__ "llb"
+// C23-FMT: #define __UINT_FAST16_FMTB__ "hB"
+// C23-FMT: #define __UINT_FAST16_FMTb__ "hb"
+// C23-FMT: #define __UINT_FAST32_FMTB__ "B"
+// C23-FMT: #define __UINT_FAST32_FMTb__ "b"
+// C23-FMT: #define __UINT_FAST64_FMTB__ "llB"
+// C23-FMT: #define __UINT_FAST64_FMTb__ "llb"
+// C23-FMT: #define __UINT_FAST8_FMTB__ "hhB"
+// C23-FMT: #define __UINT_FAST8_FMTb__ "hhb"
+// C23-FMT: #define __UINT_LEAST16_FMTB__ "hB"
+// C23-FMT: #define __UINT_LEAST16_FMTb__ "hb"
+// C23-FMT: #define __UINT_LEAST32_FMTB__ "B"
+// C23-FMT: #define __UINT_LEAST32_FMTb__ "b"
+// C23-FMT: #define __UINT_LEAST64_FMTB__ "llB"
+// C23-FMT: #define __UINT_LEAST64_FMTb__ "llb"
+// C23-FMT: #define __UINT_LEAST8_FMTB__ "hhB"
+// C23-FMT: #define __UINT_LEAST8_FMTb__ "hhb"
+//
 //
 // RUN: %clang_cc1 -std=c11 -E -dM < /dev/null | FileCheck -match-full-lines -check-prefix C11 %s
 // RUN: %clang_cc1 -std=c1x -E -dM < /dev/null | FileCheck -match-full-lines -check-prefix C11 %s
@@ -1742,11 +1790,11 @@
 // WEBASSEMBLY64-NEXT:#define __LONG_MAX__ 9223372036854775807L
 // WEBASSEMBLY64-NEXT:#define __LONG_WIDTH__ 64
 // WEBASSEMBLY64-NEXT:#define __LP64__ 1
-// WEBASSEMBLY-NEXT:#define __MEMORY_SCOPE_DEVICE 1 
-// WEBASSEMBLY-NEXT:#define __MEMORY_SCOPE_SINGLE 4 
-// WEBASSEMBLY-NEXT:#define __MEMORY_SCOPE_SYSTEM 0 
-// WEBASSEMBLY-NEXT:#define __MEMORY_SCOPE_WRKGRP 2 
-// WEBASSEMBLY-NEXT:#define __MEMORY_SCOPE_WVFRNT 3 
+// WEBASSEMBLY-NEXT:#define __MEMORY_SCOPE_DEVICE 1
+// WEBASSEMBLY-NEXT:#define __MEMORY_SCOPE_SINGLE 4
+// WEBASSEMBLY-NEXT:#define __MEMORY_SCOPE_SYSTEM 0
+// WEBASSEMBLY-NEXT:#define __MEMORY_SCOPE_WRKGRP 2
+// WEBASSEMBLY-NEXT:#define __MEMORY_SCOPE_WVFRNT 3
 // WEBASSEMBLY-NEXT:#define __NO_INLINE__ 1
 // WEBASSEMBLY-NEXT:#define __NO_MATH_ERRNO__ 1
 // WEBASSEMBLY-NEXT:#define __OBJC_BOOL_IS_BOOL 0
@@ -2062,11 +2110,11 @@
 // AVR:#define __LDBL_MIN__ 1.17549435e-38L
 // AVR:#define __LONG_LONG_MAX__ 9223372036854775807LL
 // AVR:#define __LONG_MAX__ 2147483647L
-// AVR:#define __MEMORY_SCOPE_DEVICE 1 
-// AVR:#define __MEMORY_SCOPE_SINGLE 4 
-// AVR:#define __MEMORY_SCOPE_SYSTEM 0 
-// AVR:#define __MEMORY_SCOPE_WRKGRP 2 
-// AVR:#define __MEMORY_SCOPE_WVFRNT 3 
+// AVR:#define __MEMORY_SCOPE_DEVICE 1
+// AVR:#define __MEMORY_SCOPE_SINGLE 4
+// AVR:#define __MEMORY_SCOPE_SYSTEM 0
+// AVR:#define __MEMORY_SCOPE_WRKGRP 2
+// AVR:#define __MEMORY_SCOPE_WVFRNT 3
 // AVR:#define __NO_INLINE__ 1
 // AVR:#define __ORDER_BIG_ENDIAN__ 4321
 // AVR:#define __ORDER_LITTLE_ENDIAN__ 1234
@@ -2358,11 +2406,11 @@
 // RISCV32: #define __LITTLE_ENDIAN__ 1
 // RISCV32: #define __LONG_LONG_MAX__ 9223372036854775807LL
 // RISCV32: #define __LONG_MAX__ 2147483647L
-// RISCV32: #define __MEMORY_SCOPE_DEVICE 1 
-// RISCV32: #define __MEMORY_SCOPE_SINGLE 4 
-// RISCV32: #define __MEMORY_SCOPE_SYSTEM 0 
-// RISCV32: #define __MEMORY_SCOPE_WRKGRP 2 
-// RISCV32: #define __MEMORY_SCOPE_WVFRNT 3 
+// RISCV32: #define __MEMORY_SCOPE_DEVICE 1
+// RISCV32: #define __MEMORY_SCOPE_SINGLE 4
+// RISCV32: #define __MEMORY_SCOPE_SYSTEM 0
+// RISCV32: #define __MEMORY_SCOPE_WRKGRP 2
+// RISCV32: #define __MEMORY_SCOPE_WVFRNT 3
 // RISCV32: #define __NO_INLINE__ 1
 // RISCV32: #define __POINTER_WIDTH__ 32
 // RISCV32: #define __PRAGMA_REDEFINE_EXTNAME 1
@@ -2570,11 +2618,11 @@
 // RISCV64: #define __LONG_LONG_MAX__ 9223372036854775807LL
 // RISCV64: #define __LONG_MAX__ 9223372036854775807L
 // RISCV64: #define __LP64__ 1
-// RISCV64: #define __MEMORY_SCOPE_DEVICE 1 
-// RISCV64: #define __MEMORY_SCOPE_SINGLE 4 
-// RISCV64: #define __MEMORY_SCOPE_SYSTEM 0 
-// RISCV64: #define __MEMORY_SCOPE_WRKGRP 2 
-// RISCV64: #define __MEMORY_SCOPE_WVFRNT 3 
+// RISCV64: #define __MEMORY_SCOPE_DEVICE 1
+// RISCV64: #define __MEMORY_SCOPE_SINGLE 4
+// RISCV64: #define __MEMORY_SCOPE_SYSTEM 0
+// RISCV64: #define __MEMORY_SCOPE_WRKGRP 2
+// RISCV64: #define __MEMORY_SCOPE_WVFRNT 3
 // RISCV64: #define __NO_INLINE__ 1
 // RISCV64: #define __POINTER_WIDTH__ 64
 // RISCV64: #define __PRAGMA_REDEFINE_EXTNAME 1



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